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1. If the eigenfunctions of a potential have definite parities, the one of lowest energy always has even parity. Explain why.
2. Are there analogies in classical physics to the quantum mechanical concept of parity?
3. Are there unbound states for a simple harmonic oscillator potential? How many bound states are there? How realistic is the potential?
A blue ball is thrown upward with an initial speed of 22.4 m/s, from a height of 0.5 meters above the ground. 2.7 seconds after the blue ball is thrown, How long after the blue ball is thrown are the two balls in the air at the same height
A heat source at 627 oc transfer heat at the rate of 3000 kj/min. to a system maintained at 287 oc. A heat sink is available at 27 oc . Assuming these temperatures to remain constant, find Change in entropy of source
A belt wraps around a pulley of radius 7.3 cm that drives the compressor of an automobile air conditioner. How much work is done by the belt on the compressor during one revolution of the pulley
A 4m long wire with thickness 5mm carries a current 0.4 A. A second identical wire of equal length and thickness is parallel and carries 0.6 A in the same direction. What is the force of the first wire on the second wire
On a banked race track, the smallest circular path on which cars can move has a radius of 124 m, while the largest has a radius of173 m. The height of the outer wall is 11.8 m. Find(a) the smallest and (b) the largest speed at which cars can move on ..
What should be the minimum initial speed of the dart so that combination makes a complete circular loop after the collision. find the minimum diameter of the raft that would prevent the diamond from being seen.
a circular loop of wire of radius 12.1 cm is placed in a magnetic field directed perpendicular to the plane of the loop
In an experiment the speed of sound in air, a student a measures a column of air in a resonance tube. determine the ambient temperature in the room in degrees C
Assume you knew some unstable particles have a half life of 1.00 seconds when not moving but had a half-life of 5.00 seconds while in a particle accelerator
A proton is traveling at a velocity of 10^5 m/s at 45 degree up from east (among x and y axes). At this time, Fg is the gravitational force near the earth acting straight down. Specify the force in diagram (magnetic force) and i, j and k-component.
Illustrates the physics principles in this problem. An astronaut in his space suit and with a propulsion unit (empty of its gas propellant) strapped to hisback has a mass of 147 kg. During a space-walk, the unit, which hasbeen filled with propella..
At a carnival, you can try to ring a bell by striking a target with a 9.10-kg hammer. In response, a 0.410-kg metal piece is sent upward toward the bell, How fast must the hammer be moving
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